important web site to improve your knowledge in different branches , its totally free using written , video & interactive content for all e-learners :
- College of Arts and Humanities
- Creative and performing arts, modern languages, philosophy, critical thinking, grammar & composition ...
- AgriScience
- Veterinary medicine, horticulture, farming, ranching ...
- Automotive
- Theory and practice, from fan belt to exhaust pipe.
- Aviation and Aerospace
- Obsolete: Use the Transportation link below.
- Building & Construction
- Building construction, plumbing, electrical, masonry...
- Business, Marketing, and Economics
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- Computers & Information Technology
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- High Technologies
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- GED & College Prep
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- Nursing and Allied Health
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Industrial Trades and Technologies - Machine tools, pneumatics, hydraulics, robotics, and more..
- Mathematics
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- Science
- Astronomy, biology, physics, earth sciences...
- College of Social Sciences
- Anthropology, archaeology, geography, government, health and human performance, history, political science, psychology, religion, sociology, law and criminal justice
- Transportation
- Operating and maintaining autos, trucks, aircraft, watercraft, spacecraft, heavy construction equipment, and railroad systems.
- Education
- Teaching methods and learning principles for homeschooling parents and mentors.
- Engineering
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- Hospitality & Human Services
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